Listen to I Can Sing A Rainbow online. I Can Sing A Rainbow is an English language song and is sung by Nursery Rhymes ABC. I Can Sing A Rainbow, from the album Nursery Rhymes for Children - Kids Songs & Childrens Music for Pre-School Toddlers & Babies, was released in the year 2016. The duration of the song is 1:26. Download English songs online from JioSaavn.